#include <stdio.h>

void up_and_down(int);

int main(void) {
    up_and_down(1);
    return 0;
}

void up_and_down(int n) {
    printf("Level %d : n location %p\n", n, &n);
    if (n < 4)
        up_and_down(n + 1);
    printf("LEVEL %d : n location %p\n", n, &n);
}
